Materials and their properties

The head of a hammer is made of ... .

• wood

• stone

• metal

• plastic

Tags

NGSS.MS-ETS1-2

NGSS.MS-PS1-3

Pick the transparent object

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why plastic pail is made of plastic?

• waterproof

• strong

• transparent

• can float

Draw an object with flexible property

Tags

NGSS.MS-ETS1-4

This object is made of ... .

• plastic

• ceramic

• glass

• metal

which object is made of metal?

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• 
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Umbrella is made of plactic because it is.

• waterproof

• strong

• heavy

• flexible

Why aquarium is made of glass? (choose more than one correct answers)

• Because glass is transparent

• Because glass is waterproof

• Because glass can float

• Because glass is flexible

Point the strongest part of this object.

Why we can bend and roll the cable?

• Because the cable is flexible

• Because the cable is waterproof

• Because the cable is not transparent

• Because the cable is strong